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Designed By:Charles A. PriestManufactured By:Unknown. This is a pre-patent model like produced professionally in Marion , Indiana US Patent: 1635766 Patent Date:07/12/1927

Description:

The Priest Grinder was intended to accommodate many of the most popular semi-adjustable articulators of the day, such as the Hanau H (pictured) and the Wadsworth . The power source for the grinding assembly of this device was probably a bench lathe attached to the large pulley wheel. The grinding assembly attaches to the incisal pin producing a horizontal elliptical motion. The condylar and incisal controls are preset and provide the “anatomical” component of the motion.